Cope Papers
The Primary Factors of Organic Evolution
李丹記
The Primary Factors Of Organic Evolution
Synopsis of the Cyprinidae of Pennsylvania. by Edward D. Cope
Half Hours With Modern Scientists
The Batrachia of North America
ON VERTEBRATA FROM THE TERTIAR
Catalogue of Batrachians and Reptiles of Central America and Mexico
On Vertebrata From the Tertiary and Cretaceous Rocks of the North West Territory. I. The Species From the Oligocene Or Lower Miocene Beds of the Cypress Hills
The Vertebrata of the Tertiary Formations of the West
On the Batrachia and Reptilia of Costa Rica
Researches Upon the Antiquity of Man in the Delaware Valley and the Eastern United States
Half Hours With Modern Scientists
The Primary Factors of Organic Evolution
The Vertebrata of the Cretaceous Formations of the West
Indiana. Department of Geology and Natural History. Fourteenth Annual Report. Part First, Geology of Natural History; Part Second, Post-Pliocene Vertebrates of Indiana. 1884
Batrachia of North America